diff --git a/simvue/run.py b/simvue/run.py
index 52861375..2f3846b6 100644
--- a/simvue/run.py
+++ b/simvue/run.py
@@ -1360,6 +1360,7 @@ def save_object(
                 allow_pickling=allow_pickle,
                 storage=self._storage_id,
                 metadata=metadata,
+                offline=self._user_config.run.mode == "offline",
             )
             _artifact.attach_to_run(self.id, category)
         except (ValueError, RuntimeError) as e: